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#include <stdio.h>
exec sql include sqlca;
#define SQLCODE sqlca.sqlcode
extern void ECPGdebug(int n, FILE *dbgs);
void
db_error (char *msg)
{
sqlca.sqlerrm.sqlerrmc[sqlca.sqlerrm.sqlerrml] = '\0';
printf ("%s: db error %s\n", msg, sqlca.sqlerrm.sqlerrmc);
exit (1);
}
int
main ()
{
exec sql begin declare section;
struct personal_struct { varchar name[8];
struct birth_struct { long born;
short age;
} birth;
} personal;
exec sql end declare section;
FILE *dbgs;
if ((dbgs = fopen("log", "w")) != NULL)
ECPGdebug(1, dbgs);
exec sql connect 'mm';
if (SQLCODE)
db_error ("connect");
exec sql declare cur cursor for
select name, born, age from meskes;
if (SQLCODE) db_error ("declare");
exec sql open cur;
if (SQLCODE)
db_error ("open");
while (1) {
exec sql fetch in cur into :personal;
if (SQLCODE)
break;
printf ("%8.8s was born %d (age = %d)\n", personal.name.arr, personal.birth.born, personal.birth.age);
}
if (SQLCODE < 0)
db_error ("fetch");
exec sql close cur;
if (SQLCODE) db_error ("close");
exec sql commit;
if (SQLCODE) db_error ("commit");
if (dbgs != NULL)
fclose(dbgs);
return (0);
}
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